Pith Number

pith:WNQZWYUL

pith:2011:WNQZWYULEYKFY4YEAR27XE5ZPU

not attested not anchored not stored refs pending

Software Spectral Correlator for the 44-Element Ooty Radio Telescope

C.R. Subrahmanya, Peeyush Prasad

arxiv:1102.0148 v1 · 2011-02-01 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WNQZWYULEYKFY4YEAR27XE5ZPU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:30:13.099432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3619b628b26145c73040475fb93b97d2540ca0c25d443b7a94d3d8b5ec0e796

Aliases

arxiv: 1102.0148 · arxiv_version: 1102.0148v1 · doi: 10.48550/arxiv.1102.0148 · pith_short_12: WNQZWYULEYKF · pith_short_16: WNQZWYULEYKFY4YE · pith_short_8: WNQZWYUL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WNQZWYULEYKFY4YEAR27XE5ZPU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b3619b628b26145c73040475fb93b97d2540ca0c25d443b7a94d3d8b5ec0e796

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2cf27fc63e9d9a162a8e178fec22862429b827173fb15e38eef7f3798cc0660",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-02-01T13:01:07Z",
    "title_canon_sha256": "0d2787bf061ae4f12ee589b321a30656630d8583e049bb5026469a89c3af0539"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0148",
    "kind": "arxiv",
    "version": 1
  }
}